Shen Xue and Zhao Hongbo won the gold medal for China so we’re proud _____ them. [ ]

Mrs. Brown isn’t here. She has to ______ her baby at home.

________ seems to be a strong competition　in China for senior high students to enter college or university.

_____ March 28, about 20 Chinese cities turned off lights of major building for one hour. [ ]

Frank told us ____ funny story, but he forgot ____ ending himself.